nitrogen cycle
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Nitrates are converted into atmospheric nitrogen | Denitrification | Denitrifying bacteria
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The release of nitrogen from dead materials and wastes | Decomposition | Bacteria and Fungi
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How do animals obtain a supply of nitrogen? | They must eat plant and/or animal protein. | Animals are unable to synthesise proteins.
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Bacteria convert atmospheric nitrogen into useable nitrogen compounds | Nitrogen Fixation | 1) Bacteria present in root nodules
2) Lightening
3) The Haber Process
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The process of bacteria converting ammonium compounds into nitrates. | Nitrification | Nitrifying bacteria
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